AWS, JavaScript, React - Deploy Web Apps on the Cloud - Network Firewalls

The video tutorial explains the importance of network firewalls in securing servers from attacks. It covers configuring network firewalls using Linode's Cloud Console, creating and managing firewall rules, and testing their effectiveness. The tutorial also demonstrates how to finalize and delete firewall rules for optimal server security.

What is the primary purpose of a network firewall?

• To increase server speed

• To provide cloud storage

• To control network traffic based on rules

• To store data securely

Which tool is used to configure a network firewall in Linode?

• Linode Cloud Console

• Command Line Interface

• Third-party software

• Local server settings

What is the first step in creating a firewall in Linode's Cloud Console?

• Setting up rules

• Assigning it to an instance

• Entering a label for the firewall

• Testing the firewall

What type of traffic do inbound rules govern?

• Internal server processes

• Outgoing connections from the server

• Incoming connections to the server

• Data storage operations

Which protocol is used by HTTP requests that are blocked in the example?

• FTP

• UDP

• SMTP

• TCP

What should you do after adding a firewall rule to ensure it is active?

• Restart the server

• Save the changes

• Delete the rule

• Log out and log back in

What indicates that the HTTP request is successfully blocked by the firewall?

• The firewall rule is deleted

• The server speed increases

• The browser cannot load the default Apache homepage

• The server responds with an error message